C3920 Recovering the Craziness of the Strong

Thirteenth Level of Holy Stage.

This was the complete cultivation system of Ancient Civilization Times. Although the white-haired old man wasn't an expert from that era, he had heard his ancestors mention it.

A long time ago, he was very interested in the civilization of that era. He was even searching for clues about the complete cultivation system.

However, what surprised him was that. .